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Finding the Fourth Proportional to 12,296,579.60, 18,411,691.80 and 12,296,579.60

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Solution

The fourth proportional to 12,296,579.60, 18,411,691.80 and 12,296,579.60 is: 18,411,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,579.60 : 18,411,691.80 = 12,296,579.60 : x
  2. Step 2: Convert to fraction form
    12,296,579.60/18,411,691.80 = 12,296,579.60/x
  3. Step 3: Cross multiply
    12,296,579.60x = 18,411,691.80 × 12,296,579.60
  4. Step 4: Simplify right side
    12,296,579.60x = 226,400,833,789,367.28
  5. Step 5: Solve for x
    x = 226,400,833,789,367.28/12,296,579.60
  6. Step 6: Final answer
    x = 18,411,691.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.